.sidebar {
    position: fixed;
    left: -300px;
    top: 0;
    width: 300px;
    height: 100%;
    background: var(--background-color);
    transition: left 0.3s;
    z-index: 9999;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.sidebar.visible {
    left: 0;
}

.sidebar-header {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-content {
    overflow-y: auto;
    height: calc(100% - 50px);
}

.sidebar-item {
    padding: 10px;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.sidebar-item:hover {
    background: var(--hover-background);
}

.sidebar-item-icon {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}